LXR qemu/include/qemu/plugin-memory.h

   1/*
   2 * Plugin Memory API
   3 *
   4 * Copyright (c) 2019 Linaro Ltd
   5 *
   6 * SPDX-License-Identifier: GPL-2.0-or-later
   7 */
   8
   9#ifndef PLUGIN_MEMORY_H
  10#define PLUGIN_MEMORY_H
  11
  12struct qemu_plugin_hwaddr {
  13    bool is_io;
  14    bool is_store;
  15    union {
  16        struct {
  17            MemoryRegionSection *section;
  18            hwaddr    offset;
  19        } io;
  20        struct {
  21            void *hostaddr;
  22        } ram;
  23    } v;
  24};
  25
  26/**
  27 * tlb_plugin_lookup: query last TLB lookup
  28 * @cpu: cpu environment
  29 *
  30 * This function can be used directly after a memory operation to
  31 * query information about the access. It is used by the plugin
  32 * infrastructure to expose more information about the address.
  33 *
  34 * It would only fail if not called from an instrumented memory access
  35 * which would be an abuse of the API.
  36 */
  37bool tlb_plugin_lookup(CPUState *cpu, target_ulong addr, int mmu_idx,
  38                       bool is_store, struct qemu_plugin_hwaddr *data);
  39
  40#endif /* _PLUGIN_MEMORY_H_ */
  41